He is the Spirit of Chaos.
She is the sole survivor of her world.
He is something new to her.
She is a lonely, creative soul.

During a simple chaotic stroll through the multiverse, Discord finds a sleeping girl in a space pod drifting in the void of space. A girl with a tragic past and nowhere to go and not a friend in her beautiful, lonely world; the reformed draconequus decides to give her refuge, by taking her to the one place that she'll be able to make all the friends she desires. The land of Equestria.

In a world where magic is real and she has no control over what happens, how can one lonely girl cope in a new environment not of her making, and her memories of a past she had long since forgotten.

Shelter/MLP crossover (though, there will be other universes added as well, with MLP being the main focus, obviously.)
And what inspired this story is this

The world wasn't always like this, rather you believe it or not, there was a time. A time when you got help, when you weren't shoot at and killing wasn't an everyday thing. Now all that's changed for the worse ...but what lead up to this, how did it start? Well, I can tell you ...because I was there, I saw the world get swallowed up in balefire and radiation.

From one world, to another. I was taken out of the frying pan and thrown straight into the fire. The thing was that back then, I didn't even know it, until it was too late.
Looks like we made it to the second part, that means a new theme song~!

Discord: a disagreement between people, a lack of harmony. It's something that's seen as bad or unwanted by most; but my mom is not like most people, they'd probably call her crazy if they knew who it was that she decided to marry. The spirit of disharmony, Discord personified into physical form, from another world no less, but who'd believe me even if I wanted to tell them. That I had a damn near all powerful being as a stepdad. No one I know on Earth, that's for sure. But ...I guess he's not such a bad guy, even though his name means utter chaos.

It was just a normal day on the Apple Family farm for Big Macintosh, that was until his littlest sister came up to him with a question that was unexpected as it was surprising.

"Where do babies come from?"
"Huh?"

On Earth, human fans watch My Little Pony: Friendship Is Magic, but ...what do ponies watch in their spare time?
Well, My Little Human: Teamwork Is Awesome, of course! From myth to cartoon and it's a huge hit in Equestria among young colts and fillies, and surprising older ponies, also.
But, what exactly do you call a pony who's a fan of MLH~?